125 CEDAR STREET

NYC 9/11 Public Portal Document

PSC Analytical Services Certificate of Analysis

R02100402 R02100402 R02100402 Client ID: 18A 18A 18A Lab No.: 039103 02 039103 02 039103 02 Date Sampled: 02/10/09 02/10/09 02/10/09 Matrix:

Component RDL Units TEF # of Isomers

Dioxins and furans

2,3.7,8-CI4DBF 0.23 pg 2.8 0.28 2,3.7,8-CI4DBD 0.32 <0.32 <0.32 1,2,3,7,8-CI5DBF 0.26 0.61 0.031 2,3.4,7.8-CI5DBF 0.25 0.59 0.29 1,2,3.7,8-CI5DBD 0.49 <0.49 <0.25 1,2,3,4,7,8-CI6DBF 0.68 <0.68 <0.068 1,2,3,6,7,8-CI6DBF 0.46 <0.46 <0.046 2,3,4,6,7,8-CI6DBF 0.54 <0.54 <0.054 1,2,3,7,8,9-CI6DBF 0.58 <0.58 <0.058 1,2,3,4,7,8-CI6DBD 0.25 <0.25 <0.025 1,2,3,6,7,8-CI6DBD 0.23 0.27 0.027 1,2,3,7,8,9-CI6DBD 0.36 <0.36 <0.036 1,2,3,4,6,7,8-CI7DBF 4.2 <4.2 <0.042 1,2,3,4,7,8,9-CI7DBF 46 <46 <0.46 1,2,3,4,6,7,8-CI7DBD 0.46 4.1 0.041 n 1,2,3,4,6,7,8,9-CI8DBF 0.71 2.6 0.0026 1,2,3,4,6,7,8,9-CI8DBD 0.50 39 0.039

TEF pg 0.71 EPA Requested TEQ < 1.41 MAX TEF < 2.1 Units Ng/m^ < 0.14

2:T4CDF 0.23 pg 9.1 10 ZP5CDF 0.26 3.2 5 SH6CDF 0.50 <0.50 0 2;H7CDF 43 <43 0 H OCDF 0.71 2.6 1 ZT4CDD 0.32 3.0 2 n SP5CDD 0.49 0.91 1 SH6CDD 0.23 0.79 2 SH7CDD 0.46 11 7.9 2 OCDD 0.50 39 1 Surrogate Recoveries % 2,3,7,8-T4CDF-13C12 82 2,3,7,8-T4CDD-13C12 78 1.2,3,7,8-P5CDF-13C12 85 1,2,3,7.8-P5CDD-13C12 84 1,2,3,6.7,8-H6CDF-13C12 72 1,2,3,6,7,8-H6CDD-13C12 78 1,2,3,4,6,7,8-H7CDF-13C12 79 1,2,3,4,6,7,8-H7CDD-13C12 87 OCDD-13C12 77

Certificate No:2J0575 file # =R02100402 TEQ Report nh Page 18 of 20 Revision No. 0

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